[ALSA] Update description of hda-intel models

Modules: Documentation

Updated the description of hda-intel models for realtek codecs.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

Documentation/sound/alsa/ALSA-Configuration.txt

@@ -703,10 +703,30 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
 	  test		for testing/debugging purpose, almost all controls can be
 			adjusted.  Appearing only when compiled with
 			$CONFIG_SND_DEBUG=y
+	  auto		auto-config reading BIOS (default)
 
 	ALC260
 	  hp		HP machines
 	  fujitsu	Fujitsu S7020
+	  acer		Acer TravelMate
+	  basic		fixed pin assignment (old default model)
+	  auto		auto-config reading BIOS (default)
+
+	ALC262
+	  fujitsu	Fujitsu Laptop
+	  basic		fixed pin assignment w/o SPDIF
+	  auto		auto-config reading BIOS (default)
+
+	ALC882/883/885
+	  3stack-dig	3-jack with SPDIF I/O
+	  6stck-dig	6-jack digital with SPDIF I/O
+	  auto		auto-config reading BIOS (default)
+
+	ALC861
+	  3stack	3-jack
+	  3stack-dig	3-jack with SPDIF I/O
+	  6stack-dig	6-jack with SPDIF I/O
+	  auto		auto-config reading BIOS (default)
 
 	CMI9880
 	  minimal	3-jack in back